Some hypergraphs and packing problems associated with matrices of 0's and 1's
β Scribed by Richard A Brualdi; Thomas H Foregger
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 477 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0095-8956
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π SIMILAR VOLUMES
A class of matrices with 1, -1 and 0 entrim, called the H-matrices, i8 introduced and properties of such matrices are investigated. It k shown that for an H-matrix K the matrix B = KDKT, where D is a diagonal matrix with nonnegative diagonal entries, ha8 certain properties applicable to topological
## Abstract Two cases are described of pseudotumoral calf hypertrophy after laminectomy for a compressive Sβ1 radiculopathy. The serum creatine kinase (CK) level was normal or mildly elevated. T2βweighted magnetic resonance imaging (MRI) showed calf enlargement, with an increased signal of the medi